Hardened core of bilayer shear bands in a Zr-based metallic glass

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • D.P. Wang
  • B.A. Sun
  • P.Y. Guo
  • Y.X. Geng
  • Y.X. Wang

Detail(s)

Original languageEnglish
Article number129242
Journal / PublicationMaterials Letters
Volume286
Online published24 Dec 2020
Publication statusPublished - 1 Mar 2021

Abstract

Bilayer shear bands with a spacing of hundreds of nanometers were prepared in a Zr-based metallic glass. Elastic properties of the bands were detected using a contact-resonance atomic force microscope. Compare with an elastic modulus reduction in each single shear band, the core of the bilayer shear bands is hardened. One possible reason for the forming of the bilayer shear bands is the load releasing and position adjustment during the severe plastic deformation process. Our results reveal a new plastic deformation mechanism of the shear bands in the form of layer by layer, and provide a promising strategy to control the stability of shear bands and enhance the plasticity of metallic glasses.

Research Area(s)

  • Atomic force microscopy, Elastic properties, Hardening, Metallic glass, Shear bands

Citation Format(s)

Hardened core of bilayer shear bands in a Zr-based metallic glass. / Wang, D.P.; Sun, B.A.; Guo, P.Y.; Geng, Y.X.; Wang, Y.X.; Liu, C.T.

In: Materials Letters, Vol. 286, 129242, 01.03.2021.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review